./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for memory safety (deref-memtrack)
Using default analysis
Version 53f42b1a
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 60a477b5dcc7be77af17ce3cc379f1876781ed95f896fb2ca2dbb7ba91ecb849
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-53f42b1
[2021-11-21 04:51:41,578 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-21 04:51:41,581 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-21 04:51:41,647 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-21 04:51:41,647 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-21 04:51:41,651 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-21 04:51:41,653 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-21 04:51:41,657 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-21 04:51:41,659 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-21 04:51:41,665 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-21 04:51:41,666 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-21 04:51:41,668 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-21 04:51:41,668 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-21 04:51:41,671 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-21 04:51:41,673 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-21 04:51:41,677 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-21 04:51:41,679 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-21 04:51:41,680 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-21 04:51:41,682 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-21 04:51:41,690 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-21 04:51:41,691 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-21 04:51:41,693 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-21 04:51:41,696 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-21 04:51:41,697 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-21 04:51:41,706 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-21 04:51:41,706 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-21 04:51:41,707 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-21 04:51:41,709 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-21 04:51:41,710 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-21 04:51:41,711 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-21 04:51:41,711 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-21 04:51:41,712 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-21 04:51:41,718 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-21 04:51:41,720 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-21 04:51:41,721 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-21 04:51:41,721 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-21 04:51:41,722 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-21 04:51:41,722 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-21 04:51:41,723 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-21 04:51:41,724 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-21 04:51:41,724 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-21 04:51:41,725 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf
[2021-11-21 04:51:41,768 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-21 04:51:41,768 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-21 04:51:41,771 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-21 04:51:41,771 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-21 04:51:41,771 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-21 04:51:41,771 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-21 04:51:41,772 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-11-21 04:51:41,772 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-21 04:51:41,772 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-21 04:51:41,772 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-21 04:51:41,773 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2021-11-21 04:51:41,773 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2021-11-21 04:51:41,773 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2021-11-21 04:51:41,774 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-21 04:51:41,774 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-21 04:51:41,774 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-21 04:51:41,774 INFO  L136        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2021-11-21 04:51:41,774 INFO  L138        SettingsManager]:  * Timeout in seconds=1000000
[2021-11-21 04:51:41,774 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-21 04:51:41,775 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2021-11-21 04:51:41,775 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-21 04:51:41,775 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-21 04:51:41,775 INFO  L138        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2021-11-21 04:51:41,775 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-21 04:51:41,776 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60a477b5dcc7be77af17ce3cc379f1876781ed95f896fb2ca2dbb7ba91ecb849
[2021-11-21 04:51:42,078 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-21 04:51:42,103 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-21 04:51:42,107 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-21 04:51:42,109 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-21 04:51:42,109 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-21 04:51:42,111 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i
[2021-11-21 04:51:42,210 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN/data/dbb62a5b1/a5c8bec2b603472888ec7c9e7b995602/FLAGb051cab2d
[2021-11-21 04:51:42,831 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-21 04:51:42,831 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i
[2021-11-21 04:51:42,843 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN/data/dbb62a5b1/a5c8bec2b603472888ec7c9e7b995602/FLAGb051cab2d
[2021-11-21 04:51:43,097 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN/data/dbb62a5b1/a5c8bec2b603472888ec7c9e7b995602
[2021-11-21 04:51:43,099 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-21 04:51:43,101 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-21 04:51:43,102 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-21 04:51:43,103 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-21 04:51:43,106 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-21 04:51:43,107 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:51:43" (1/1) ...
[2021-11-21 04:51:43,108 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ae5c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:43, skipping insertion in model container
[2021-11-21 04:51:43,108 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:51:43" (1/1) ...
[2021-11-21 04:51:43,115 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-21 04:51:43,161 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-21 04:51:43,474 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i[24236,24249]
[2021-11-21 04:51:43,481 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-21 04:51:43,495 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-21 04:51:43,560 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i[24236,24249]
[2021-11-21 04:51:43,566 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-21 04:51:43,609 INFO  L208         MainTranslator]: Completed translation
[2021-11-21 04:51:43,609 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:43 WrapperNode
[2021-11-21 04:51:43,610 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-21 04:51:43,611 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-21 04:51:43,611 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-21 04:51:43,611 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-21 04:51:43,619 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:43" (1/1) ...
[2021-11-21 04:51:43,654 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:43" (1/1) ...
[2021-11-21 04:51:43,688 INFO  L137                Inliner]: procedures = 126, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121
[2021-11-21 04:51:43,689 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-21 04:51:43,690 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-21 04:51:43,692 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-21 04:51:43,692 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-21 04:51:43,701 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:43" (1/1) ...
[2021-11-21 04:51:43,702 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:43" (1/1) ...
[2021-11-21 04:51:43,717 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:43" (1/1) ...
[2021-11-21 04:51:43,719 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:43" (1/1) ...
[2021-11-21 04:51:43,730 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:43" (1/1) ...
[2021-11-21 04:51:43,750 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:43" (1/1) ...
[2021-11-21 04:51:43,757 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:43" (1/1) ...
[2021-11-21 04:51:43,760 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-21 04:51:43,763 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-21 04:51:43,776 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-21 04:51:43,776 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-21 04:51:43,777 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:43" (1/1) ...
[2021-11-21 04:51:43,784 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2021-11-21 04:51:43,796 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN/z3
[2021-11-21 04:51:43,807 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2021-11-21 04:51:43,836 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22adce86-c41d-4d3c-a2b6-a5600e23fb63/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2021-11-21 04:51:43,855 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-11-21 04:51:43,855 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-11-21 04:51:43,855 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-21 04:51:43,856 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-21 04:51:43,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-11-21 04:51:43,857 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-11-21 04:51:43,858 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-21 04:51:43,860 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-21 04:51:43,861 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-21 04:51:43,861 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-21 04:51:43,992 INFO  L236             CfgBuilder]: Building ICFG
[2021-11-21 04:51:44,004 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-21 04:51:44,372 INFO  L277             CfgBuilder]: Performing block encoding
[2021-11-21 04:51:44,419 INFO  L296             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-21 04:51:44,420 INFO  L301             CfgBuilder]: Removed 6 assume(true) statements.
[2021-11-21 04:51:44,422 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:51:44 BoogieIcfgContainer
[2021-11-21 04:51:44,422 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-21 04:51:44,423 INFO  L113        PluginConnector]: ------------------------CodeCheck----------------------------
[2021-11-21 04:51:44,423 INFO  L271        PluginConnector]: Initializing CodeCheck...
[2021-11-21 04:51:44,433 INFO  L275        PluginConnector]: CodeCheck initialized
[2021-11-21 04:51:44,434 INFO  L185        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:51:44" (1/1) ...
[2021-11-21 04:51:44,443 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-21 04:51:44,499 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:44,507 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions.
[2021-11-21 04:51:44,507 INFO  L276                IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions.
[2021-11-21 04:51:44,509 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2021-11-21 04:51:44,509 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:44,510 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:44,602 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:44,664 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-21 04:51:44,703 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:44,704 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions.
[2021-11-21 04:51:44,704 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions.
[2021-11-21 04:51:44,704 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2021-11-21 04:51:44,704 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:44,705 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:44,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:44,756 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-21 04:51:44,831 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:44,832 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions.
[2021-11-21 04:51:44,832 INFO  L276                IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions.
[2021-11-21 04:51:44,832 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-11-21 04:51:44,833 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:44,833 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:44,843 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:44,864 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-21 04:51:44,894 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:44,895 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions.
[2021-11-21 04:51:44,895 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions.
[2021-11-21 04:51:44,895 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-11-21 04:51:44,895 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:44,896 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:44,909 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:44,925 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-21 04:51:44,938 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:44,939 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions.
[2021-11-21 04:51:44,939 INFO  L276                IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions.
[2021-11-21 04:51:44,939 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-11-21 04:51:44,940 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:44,940 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:44,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:45,013 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-21 04:51:45,157 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:45,161 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions.
[2021-11-21 04:51:45,162 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions.
[2021-11-21 04:51:45,165 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-11-21 04:51:45,165 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:45,165 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:45,203 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:45,255 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-21 04:51:45,291 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:45,292 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions.
[2021-11-21 04:51:45,292 INFO  L276                IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions.
[2021-11-21 04:51:45,292 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-11-21 04:51:45,292 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:45,293 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:45,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:45,401 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-21 04:51:45,645 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:45,646 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions.
[2021-11-21 04:51:45,646 INFO  L276                IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions.
[2021-11-21 04:51:45,648 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-11-21 04:51:45,648 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:45,649 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:45,682 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:45,739 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-21 04:51:46,123 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:46,123 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions.
[2021-11-21 04:51:46,123 INFO  L276                IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions.
[2021-11-21 04:51:46,124 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2021-11-21 04:51:46,124 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:46,125 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:46,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:46,298 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-11-21 04:51:46,558 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:46,559 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions.
[2021-11-21 04:51:46,559 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions.
[2021-11-21 04:51:46,560 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2021-11-21 04:51:46,560 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:46,560 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:46,593 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:46,803 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-21 04:51:47,483 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:47,484 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 51 states and 70 transitions.
[2021-11-21 04:51:47,484 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions.
[2021-11-21 04:51:47,485 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2021-11-21 04:51:47,485 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:47,486 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:47,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:47,520 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-11-21 04:51:47,537 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:47,537 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 71 transitions.
[2021-11-21 04:51:47,537 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions.
[2021-11-21 04:51:47,538 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2021-11-21 04:51:47,538 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:47,538 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:47,551 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:47,700 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-11-21 04:51:49,653 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:49,654 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions.
[2021-11-21 04:51:49,654 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions.
[2021-11-21 04:51:49,655 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-11-21 04:51:49,655 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:49,655 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:49,672 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:49,895 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-11-21 04:51:50,984 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:50,984 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 86 transitions.
[2021-11-21 04:51:50,984 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions.
[2021-11-21 04:51:50,985 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-11-21 04:51:50,985 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:50,985 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:51,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:51,120 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-11-21 04:51:51,410 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:51,410 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions.
[2021-11-21 04:51:51,410 INFO  L276                IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions.
[2021-11-21 04:51:51,411 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-11-21 04:51:51,411 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:51,411 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:51,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:52,150 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-21 04:51:55,423 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:55,424 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 63 states and 101 transitions.
[2021-11-21 04:51:55,424 INFO  L276                IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions.
[2021-11-21 04:51:55,424 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-11-21 04:51:55,424 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:55,425 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:55,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:56,033 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-21 04:51:59,088 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:51:59,088 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 66 states and 108 transitions.
[2021-11-21 04:51:59,088 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 108 transitions.
[2021-11-21 04:51:59,089 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2021-11-21 04:51:59,089 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:51:59,089 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:51:59,101 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:51:59,132 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-11-21 04:52:00,814 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:52:00,814 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 70 states and 115 transitions.
[2021-11-21 04:52:00,815 INFO  L276                IsEmpty]: Start isEmpty. Operand 70 states and 115 transitions.
[2021-11-21 04:52:00,816 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2021-11-21 04:52:00,816 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:52:00,816 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:52:00,827 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:52:00,942 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-11-21 04:52:02,866 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:52:02,867 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 74 states and 122 transitions.
[2021-11-21 04:52:02,867 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 122 transitions.
[2021-11-21 04:52:02,868 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2021-11-21 04:52:02,868 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:52:02,868 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:52:02,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:52:03,022 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-11-21 04:52:03,157 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:52:03,158 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 77 states and 129 transitions.
[2021-11-21 04:52:03,158 INFO  L276                IsEmpty]: Start isEmpty. Operand 77 states and 129 transitions.
[2021-11-21 04:52:03,159 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2021-11-21 04:52:03,159 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:52:03,159 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:52:03,172 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:52:03,313 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-11-21 04:52:05,908 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:52:05,908 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 82 states and 139 transitions.
[2021-11-21 04:52:05,909 INFO  L276                IsEmpty]: Start isEmpty. Operand 82 states and 139 transitions.
[2021-11-21 04:52:05,909 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2021-11-21 04:52:05,909 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:52:05,910 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:52:05,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:52:06,151 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-11-21 04:52:08,363 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:52:08,363 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 86 states and 146 transitions.
[2021-11-21 04:52:08,364 INFO  L276                IsEmpty]: Start isEmpty. Operand 86 states and 146 transitions.
[2021-11-21 04:52:08,364 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2021-11-21 04:52:08,364 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:52:08,365 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:52:08,378 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:52:08,516 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2021-11-21 04:52:10,994 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:52:10,994 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 51 states and 64 transitions.
[2021-11-21 04:52:10,994 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions.
[2021-11-21 04:52:10,995 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2021-11-21 04:52:10,995 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:52:10,995 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:52:11,007 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:52:11,026 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-11-21 04:52:11,047 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:52:11,047 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 52 states and 65 transitions.
[2021-11-21 04:52:11,048 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions.
[2021-11-21 04:52:11,048 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2021-11-21 04:52:11,048 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:52:11,048 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:52:11,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:52:11,257 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-11-21 04:52:12,536 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:52:12,537 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions.
[2021-11-21 04:52:12,537 INFO  L276                IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions.
[2021-11-21 04:52:12,537 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2021-11-21 04:52:12,537 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:52:12,538 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:52:12,563 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:52:13,838 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-21 04:52:24,572 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:52:24,572 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions.
[2021-11-21 04:52:24,572 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions.
[2021-11-21 04:52:24,573 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2021-11-21 04:52:24,573 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:52:24,573 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:52:24,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:52:24,890 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2021-11-21 04:52:26,644 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:52:26,644 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 86 transitions.
[2021-11-21 04:52:26,644 INFO  L276                IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions.
[2021-11-21 04:52:26,645 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2021-11-21 04:52:26,645 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:52:26,645 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:52:26,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:52:28,540 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-21 04:52:36,999 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:52:36,999 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 66 states and 97 transitions.
[2021-11-21 04:52:36,999 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions.
[2021-11-21 04:52:36,999 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2021-11-21 04:52:37,000 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:52:37,000 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:52:37,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:52:39,692 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-21 04:52:54,537 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:52:54,537 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 72 states and 108 transitions.
[2021-11-21 04:52:54,537 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions.
[2021-11-21 04:52:54,538 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2021-11-21 04:52:54,538 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:52:54,538 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:52:54,551 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:52:54,573 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-11-21 04:52:58,888 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:52:58,889 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 77 states and 116 transitions.
[2021-11-21 04:52:58,889 INFO  L276                IsEmpty]: Start isEmpty. Operand 77 states and 116 transitions.
[2021-11-21 04:52:58,890 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2021-11-21 04:52:58,890 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:52:58,890 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:52:58,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:52:58,940 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-11-21 04:53:04,050 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:53:04,051 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 83 states and 126 transitions.
[2021-11-21 04:53:04,051 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 126 transitions.
[2021-11-21 04:53:04,051 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2021-11-21 04:53:04,051 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:53:04,052 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:53:04,063 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:53:05,189 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-11-21 04:53:26,843 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:53:26,843 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 91 states and 152 transitions.
[2021-11-21 04:53:26,844 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 152 transitions.
[2021-11-21 04:53:26,844 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2021-11-21 04:53:26,844 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:53:26,844 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:53:26,855 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:53:27,157 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-11-21 04:53:28,230 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:53:28,230 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 93 states and 156 transitions.
[2021-11-21 04:53:28,230 INFO  L276                IsEmpty]: Start isEmpty. Operand 93 states and 156 transitions.
[2021-11-21 04:53:28,231 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2021-11-21 04:53:28,231 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:53:28,231 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:53:28,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:53:28,628 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-11-21 04:53:30,829 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:53:30,830 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 95 states and 159 transitions.
[2021-11-21 04:53:30,830 INFO  L276                IsEmpty]: Start isEmpty. Operand 95 states and 159 transitions.
[2021-11-21 04:53:30,830 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2021-11-21 04:53:30,831 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:53:30,831 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:53:30,844 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:53:31,966 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-11-21 04:53:32,929 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:53:32,930 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 96 states and 160 transitions.
[2021-11-21 04:53:32,930 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states and 160 transitions.
[2021-11-21 04:53:32,930 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2021-11-21 04:53:32,930 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:53:32,930 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:53:32,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:53:33,094 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2021-11-21 04:53:40,002 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:53:40,003 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 53 states and 61 transitions.
[2021-11-21 04:53:40,003 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions.
[2021-11-21 04:53:40,003 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2021-11-21 04:53:40,003 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:53:40,004 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:53:40,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:53:41,702 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2021-11-21 04:53:58,759 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:53:58,759 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 57 states and 65 transitions.
[2021-11-21 04:53:58,759 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions.
[2021-11-21 04:53:58,759 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2021-11-21 04:53:58,759 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:53:58,759 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:53:58,773 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:53:59,525 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2021-11-21 04:54:08,851 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:54:08,851 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions.
[2021-11-21 04:54:08,851 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions.
[2021-11-21 04:54:08,852 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2021-11-21 04:54:08,852 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:54:08,852 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:54:08,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:54:09,253 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2021-11-21 04:54:15,332 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:54:15,332 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions.
[2021-11-21 04:54:15,332 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions.
[2021-11-21 04:54:15,332 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2021-11-21 04:54:15,332 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:54:15,333 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:54:15,346 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:54:17,090 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2021-11-21 04:55:01,365 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:55:01,366 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 56 states and 64 transitions.
[2021-11-21 04:55:01,366 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions.
[2021-11-21 04:55:01,367 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2021-11-21 04:55:01,367 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:55:01,367 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:55:01,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:55:01,392 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2021-11-21 04:55:04,051 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:55:04,051 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 55 states and 63 transitions.
[2021-11-21 04:55:04,051 INFO  L276                IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions.
[2021-11-21 04:55:04,051 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2021-11-21 04:55:04,051 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:55:04,052 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:55:04,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:55:06,737 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2021-11-21 04:55:35,399 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:55:35,400 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 60 states and 71 transitions.
[2021-11-21 04:55:35,400 INFO  L276                IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions.
[2021-11-21 04:55:35,400 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2021-11-21 04:55:35,400 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:55:35,401 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:55:35,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:55:42,061 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-11-21 04:56:18,508 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:56:18,508 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 78 transitions.
[2021-11-21 04:56:18,509 INFO  L276                IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions.
[2021-11-21 04:56:18,509 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2021-11-21 04:56:18,509 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:56:18,509 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:56:18,532 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:56:25,498 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2021-11-21 04:57:38,640 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:57:38,640 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 69 states and 82 transitions.
[2021-11-21 04:57:38,641 INFO  L276                IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions.
[2021-11-21 04:57:38,641 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2021-11-21 04:57:38,641 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:57:38,641 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:57:38,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:57:48,375 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-11-21 04:59:25,549 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 04:59:25,550 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 74 states and 88 transitions.
[2021-11-21 04:59:25,550 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 88 transitions.
[2021-11-21 04:59:25,550 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2021-11-21 04:59:25,550 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 04:59:25,551 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 04:59:25,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 04:59:43,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2021-11-21 05:02:10,328 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 05:02:10,329 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 115 states and 136 transitions.
[2021-11-21 05:02:10,329 INFO  L276                IsEmpty]: Start isEmpty. Operand 115 states and 136 transitions.
[2021-11-21 05:02:10,329 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2021-11-21 05:02:10,329 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 05:02:10,329 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 05:02:10,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 05:02:13,135 INFO  L134       CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-11-21 05:02:31,236 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-11-21 05:02:31,237 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 120 states and 141 transitions.
[2021-11-21 05:02:31,237 INFO  L276                IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions.
[2021-11-21 05:02:31,238 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2021-11-21 05:02:31,238 INFO  L422      CodeCheckObserver]: Error Path is FOUND.
[2021-11-21 05:02:31,238 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-21 05:02:31,268 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-21 05:02:47,197 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.